Color

#c41717

#c41717
hex#c41717
rgbrgb(196, 23, 23)
hslhsl(0, 79%, 43%)
oklchoklch(0.523 0.203 28.1)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1241

Colors that go with #c41717

Charcoal, Royal Blue and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#17c4c4

#c4176e · #c46e17

#17c417 · #1717c4

Split-complementary

Open in tool →

#17c46e · #176ec4

#6ec417 · #17c4c4 · #6e17c4

Contrast

#c41717 as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #ad1414 as the text (7.27:1)
Aaon black
3.48:1failpassfail
  • AA: use #e51f1f as the text (4.55:1)
  • AAA: use #ee6d6d as the text (7.04:1)
  • AA: or shift the background to #e0e0e0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c41717 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c41717 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c41717
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #c41717 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c41717-c4a19c-62cb98-2d251f-f1e9ed?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md